22309-31-5 ISOQUINOLINE, 1-(2-((3,4-DICHLOROPHENYL)SULFONYL)ETHYL)-1,2,3,4-TETRAHYDRO-6,7-D Isoquinoline, 1-(2-((3,4-dichlorophenyl)sulfonyl)ethyl)-1,2,3,4-tetrahydro-6,7-dimethoxy-2-methyl-, hydrochloride